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12470106553 = 13121950393
BaseRepresentation
bin10111001110100011…
…01011100110111001
31012012001201001022021
423213101223212321
5201014321402203
65421221354441
7621010104532
oct134721534671
935161631267
1012470106553
11531a060693
122500268a21
131239681298
14864231689
154ceb815bd
hex2e746b9b9

12470106553 has 4 divisors (see below), whose sum is σ = 12471070068. Its totient is φ = 12469143040.

The previous prime is 12470106529. The next prime is 12470106569. The reversal of 12470106553 is 35560107421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2583383929 + 9886722624 = 50827^2 + 99432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12470106553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12470106653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462076 + ... + 488317.

It is an arithmetic number, because the mean of its divisors is an integer number (3117767517).

Almost surely, 212470106553 is an apocalyptic number.

It is an amenable number.

12470106553 is a deficient number, since it is larger than the sum of its proper divisors (963515).

12470106553 is an equidigital number, since it uses as much as digits as its factorization.

12470106553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963514.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 12470106553 in words is "twelve billion, four hundred seventy million, one hundred six thousand, five hundred fifty-three".

Divisors: 1 13121 950393 12470106553